Consolidated C-87 Liberator Express
E108894
The Consolidated C-87 Liberator Express was a World War II-era American transport aircraft derived from the B-24 bomber and used primarily for long-range cargo and personnel flights.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Consolidated C-87 Liberator Express canonical | 2 |
| C-87 | 1 |
| Consolidated C‑87 Liberator Express | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T753171 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Consolidated C-87 Liberator Express Context triple: [The Hump airlift over the Himalayas, usedAircraft, Consolidated C-87 Liberator Express]
-
A.
Curtiss C-46 Commando
The Curtiss C-46 Commando is a large American twin-engine transport aircraft widely used by the U.S. military in World War II for high-altitude, long-range cargo and troop operations.
-
B.
Consolidated B-24 Liberator
The Consolidated B-24 Liberator was a World War II American heavy bomber known for its long range, high payload capacity, and extensive use in strategic bombing and anti-submarine roles.
-
C.
North American B-25B Mitchell
The North American B-25B Mitchell is a twin‑engine medium bomber used by the United States during World War II, most famously in the 1942 Doolittle Raid on Japan.
-
D.
Boeing B-17 Flying Fortress
The Boeing B-17 Flying Fortress is a four-engine American heavy bomber of World War II, renowned for its durability, long-range strategic bombing role, and extensive use in the European theater.
-
E.
Douglas C-54 Skymaster
The Douglas C-54 Skymaster is a four‑engine, long‑range military transport aircraft developed from the DC‑4 airliner and widely used by the U.S. and allied forces during and after World War II.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Consolidated C-87 Liberator Express Target entity description: The Consolidated C-87 Liberator Express was a World War II-era American transport aircraft derived from the B-24 bomber and used primarily for long-range cargo and personnel flights.
-
A.
Curtiss C-46 Commando
The Curtiss C-46 Commando is a large American twin-engine transport aircraft widely used by the U.S. military in World War II for high-altitude, long-range cargo and troop operations.
-
B.
Consolidated B-24 Liberator
The Consolidated B-24 Liberator was a World War II American heavy bomber known for its long range, high payload capacity, and extensive use in strategic bombing and anti-submarine roles.
-
C.
North American B-25B Mitchell
The North American B-25B Mitchell is a twin‑engine medium bomber used by the United States during World War II, most famously in the 1942 Doolittle Raid on Japan.
-
D.
Boeing B-17 Flying Fortress
The Boeing B-17 Flying Fortress is a four-engine American heavy bomber of World War II, renowned for its durability, long-range strategic bombing role, and extensive use in the European theater.
-
E.
Douglas C-54 Skymaster
The Douglas C-54 Skymaster is a four‑engine, long‑range military transport aircraft developed from the DC‑4 airliner and widely used by the U.S. and allied forces during and after World War II.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
World War II aircraft
ⓘ
four‑engine propeller aircraft ⓘ military transport aircraft ⓘ |
| airframeMaterial | all‑metal construction ⓘ |
| alsoKnownAs | Liberator Express ⓘ |
| armament | unarmed in transport configuration ⓘ |
| basedOn |
Consolidated B-24 Liberator
ⓘ
surface form:
B-24D bomber airframe
|
| cargoDoor | large side cargo door ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 4 ⓘ |
| derivedFrom | Consolidated B-24 Liberator ⓘ |
| designationByUSAAF |
Consolidated C-87 Liberator Express
self-linksurface differs
ⓘ
surface form:
C-87
|
| engineConfiguration | four radial engines ⓘ |
| engineType |
Pratt & Whitney R-1830 Twin Wasp radial engine
ⓘ
surface form:
Pratt & Whitney R-1830 Twin Wasp
|
| era | 1940s ⓘ |
| firstFlight | 1942 ⓘ |
| fuselageType | pressurized cabin (some variants) ⓘ |
| introduced | 1942 ⓘ |
| landingGear | retractable tricycle landing gear ⓘ |
| manufacturer | Consolidated Aircraft ⓘ |
| maximumCrew | 5 ⓘ |
| maximumSpeed | about 300 mph ⓘ |
| modification |
added cargo floor and tie‑downs
ⓘ
bomb bays removed for cargo space ⓘ revised nose for transport use ⓘ |
| notedIssue |
difficult ground handling
ⓘ
maintenance complexity ⓘ poor cockpit visibility ⓘ |
| numberBuilt | approximately 287 ⓘ |
| passengerCapacity | 16 ⓘ |
| primaryUser | Air Transport Command ⓘ |
| propulsion | propeller‑driven ⓘ |
| range | approximately 2,400 miles ⓘ |
| role |
cargo transport
ⓘ
long‑range transport ⓘ personnel transport ⓘ |
| serviceCeiling | approximately 25,000 ft ⓘ |
| status | retired ⓘ |
| successor | Douglas C-54 Skymaster ⓘ |
| tailConfiguration | twin‑tail ⓘ |
| takeoffWeight | approximately 60,000 lb ⓘ |
| usedBy |
Royal Air Force
ⓘ
United States Army Air Forces ⓘ |
| usedFor |
VIP transport
ⓘ
ferrying personnel ⓘ flying the Hump ⓘ long‑range cargo flights ⓘ |
| usedInConflict | World War II ⓘ |
| wingConfiguration | high‑wing ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Consolidated C-87 Liberator Express Description of subject: The Consolidated C-87 Liberator Express was a World War II-era American transport aircraft derived from the B-24 bomber and used primarily for long-range cargo and personnel flights.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Consolidated C‑87 Liberator Express
Consolidated C-87 Liberator Express
→
designationByUSAAF
→
Consolidated C-87 Liberator Express
self-linksurface differs
ⓘ
this entity surface form:
C-87